Latias is a legendary pokemon, so you cant get an egg from either latias or latios, even though they have genders.
latias dosent evolve cus its a legendary Pokemon
If you're asking if you can get an egg for Latios or Latias without breeding them, then the answer is no; you cannot get an Egg for either of them without hacking the game.
no
No
No, Latias and Latios cannot have an egg together because they are both legendary Pokémon.
No
go to the egg and latios/latias will come to you
You can't. Legionaries can't have eggs.
no egg can lay another egg because they have not been born yet when the egg has hatched and it has grew up then they can lay an egg of there own.
No, you can't. Latios and Latias do not belong to an egg group. An egg group exists for breeding and without one, it cannot breed. Conventially no legendaries are in an egg group, but Manaphy can breed and create Phione.
If they hide there, they lay the egg there too.