Question for Catholics, Can someone explain me what the Bible teaches regarding the belive of the "Limbo"?

I know that the belive of "the limbo" theaches that is a baby si not bautize on the Catholic chourche it goes to this place lke hell, i think, i will like to know in waht part of the Bible the Catholics base this belive, so if you have the answer i will like to hear form you. Please will be very helpfull if you can make mention of a Bible scripture so i can read it in my Bible, Thanks.