The odds are, not a chance. Have you ever heard the saying, "You can take the boy out of the country but you can't take the country out of the boy." When young, behaviors may be different. But the behavior of fish is not a social function, it is genetic. As they age they will become what they are.
You need to start by doing your own research instead of asking people for a fast answer. You won't learn much that way and you will almost always get conflicting opinions. Short answers are often short on information.
Hands down, I would get a pearl gourami! Beautiful & peaceful. If you really want more than 1 gourami, get 1 male & 2 or 3 females. DO NOT get balloon fish of these or any other fish. Not only are they hideous to me, they will be very short lived because of this inbred deformity.
Dwarf are prone to an iridovirus & are pretty pugnacious for their size.
Blue gouramis (or the color varieties gold, platinum etc) are semi-aggressive. I bet 1 would beat the snot out of smaller dwarf or more peaceful pearls as adults. Females are often a bit less aggressive but not mellow.