Put one of your party into the computer (located at the Pokemon Centre) You will then have one space free for your egg :)
Professor Oak cannot be seen on Route 2.
professor
in route 101
Prof oak will always be in his lab in pallet town.
Talk to all of the fat guys in every town, every route, every cave, every forest and every island. Then, talk to PROF. OAK.
Nothing prof oak thanks you and that's it.
It's given by Prof. Oak's aide on Route 16.
Prof. Minerva McGonagall
You need cut, or the ability to go through diglets cave, then he is in a route separator building
He is somewhere to the right you need Cut to get to him.
Actually, you get the lucky egg from Prof. Juniper when you enter the chargestone cave.
You Have To Have Your Groudon You Got From The Embedded Tower Off Route 47 And A Kyogre From The Embedded Tower And Heart Gold. Once You Have Both In Your Party Go To Prof. Oak And He Will Give You The Jade Orb Used To Help Catch Rayquasa.