What do I do when I want to give Parakeet eggs to a new parakeet to watch and raise?

My friend’s parakeet just laid her second brood and is most likely going to lay a third brood. If that happens my friend wants to know if it is possible if my adult female parakeet could incubate the eggs of my friend’s parakeet’s third brood and then raise the babies when they are hatched. If so, what do I do to make it possible for that to happen?

my parakeet layed eggs and then a neighbors cat got in and killed her. How do I raise her eggs?

My parakeet layed four eggs then a neighbors cat got in the house and killed her. How can I raise her four eggs?