[Bonjour]

It depends on why you broke up in the first place. if two people get back together, they will still have the problems they did before. Some things are fixable, while others (Like lack of trust) are not. Do you know why she broke up with you? Did the break up seem premeditated or in the heat of the moment? (like during a fight) Try talking to her a little to see how she feels about the breakup, but still give her space or else you might come off clingy. Also, remember that the the fault isn't always on the dumped. Sometimes the dumper might have been a bad communicator or had unrealistic expectations.

I think that if both people are willing to put in the effort, that it can work out. Best wishes (: