Mixing gouramis is hard to call for me, I've had bad experiences and good ones so its hard to tell.
Are they both males?
Honey's and dwarf's I have never tried as a mix but neither are that aggressive. You cvould try it but make sure the tank is planted and that there is places for the gouramis to hide if one is being bullied. If one seems to bully the other alot then take one of them out and back to the place you bought it.
Should take the bully back.