Pokémon with Egg Moves can be caught in the wild as long as they have the “brilliant aura” surrounding them. … These Pokémon will have guaranteed three max IVs and an Egg Move that’s specific to that species.
Can the move reminder remember egg moves?
In other words, if a Pokemon is hatched with an egg move but forgets the move later on, the Move Relearner can reteach that egg move.
How do I get my Pokemon to relearn moves?
Choose a Move to Replace (If Moves are full)
Select the move you want to forget to make room for the Relearned Move and select yes. After that, the selected move will be forgotten, and will be exchanged with the one you want the Pokemon to Relearn.