yes but you need the groudon from soul silver along with a Kyogre that you catch in heart gold. he will be in the same area as kyogre. further questions are easier to look up on serebii.net
you can not get rayquaza in dimond, pearl, platinum, black, and wite. you can get it in gold, silver, heart gold, soulsilver and emereld
Rayquaza is only in the Pokemon Versions: Ruby, Saphire, Emerald, Heart Gold, and Soul Silver. It is not in Pokemon Platinum.
you trade kyorge from heart gold and go back to the place you caught groudon
Groudon isn't in HeartGold, it is in SoulSilver. Kyogre is in HeartGold as well as Rayquaza.
You can't find rayquaza in pokemon platinum.
You can find Rayquaza in map 13.
It attracts a ledendary pokemon.
curmen cave
evolve gastly.
this is also for heart gold
you have to use hm rock smash on rocks to find them.
You can find them by surfing and fishing.