I really do not recommend it, although they may be able to live with them. The reason why putting guppies and a betta (Siamese fighting fish) together is not a good idea is because guppies have...
You have to have two tanks (10-20 gallon). First put the male in(the male should have more colour then the female)the tank wit out any other fish in but have plant in the tank when he is in condition...