The club captain refused to join Arsenal on their preseason tour of the US in order to force through a return to France.
However, Monreal says the 33-year-old would have no problem integrating his teammates.
Monreal said: "Yeah, why not?
"We respect Laurent a lot because he has played for Arsenal for a long time, he's our captain. It's something between the club and him.
"What I would like is they fix the problem and I think they will do it."