Im going to remove my danios to a 10 gal tank and leave the angelfish and sword tail then puting 3 dwarf gourami, 2 male 1 female. Will they all be fine in there?
I intend to breed the gourami.

I'm not omniscient so I don't know if they'll be fine. Both angelfish and gouramis can be boisterous at times and may "argue." The gouramis are better off in a tank by themselves if you want them to breed.