I see the possibility of Real Madrid winning with Liverpool is very low. Even after injuries to their team players, their team started to decline. Given their team's status and recent form, a draw against Liverpool would be the best gift for Real fans. If they can beat Liverpool and take 3 points, it will be overwhelming for the Real Madrid team and their fans.
Real Madrid's recent performances speak against them. In such a situation no gambler would agree to bet on their behalf. We are always optimistic that Real Madrid will return to their old form very soon. Realizing this hope with an injury-prone squad is almost impossible for Real. To survive in the Champions League, they must come up with a new plan.
Though the game of soccer is in a way that we can't totally say what happens in a particular football match but if we are to be realistic as football lovers and betters, if we should consider the recent happening in the football world, we will easily say that present Real Madrid won't be able to withstand Liverpool force currently, though Real Madrid is a good team no doubt but their misform has made it impossible for anyone to predict them to some point, they are going to face liverpool who are at the top of the premier League standings, I think this wouldn't be an easy one for them, people may be looking at both teams odd which may seem deceitful, though Real Madrid odd is high and sometimes such odd comes successfully but I don't see that happening in this match, personally i don't look at odds because football is not judge by odd but by what will likely play out at the end of a football event, yea a draw against Liverpool by Real Madrid would be considered as the best result for them in that match because of their current state as you said unless things change before then.
The best selection to make for this current Real Madrid if they arev encountering another team is on goals because for few matches there have been multiple goals being scored in the matches they are involved in, anyone betting outside this kind of selection may likey find him or herself to be blamed.