The emotions will be rough, no matter what.

First I'd ask her if she tried every avenue to communicate with him. Is he abusive, on drugs, sleeping around? If no, have they tried to get at the root of their anger? In the States, most "marriage counselors" (even the so-called religious ones) seem to advise their clients to get divorced because it's easier for them than trying to help their clients communicate with each other.

If yes to any, then I'd tell her to consult a lawyer. If she's in another country, the laws of course are different than in the States...and all the states are different too. But she shouldn't move out, unless she wants to risk losing everything.
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