What these responses are not articulating is WHY it's not a good idea.
In all likelihood, you will not like the performance and handling of a full load of passengers in an Escalade with that much trailer behind.
By yourself, no problem unless you're a pack rat and the truck is full of junk. With an additional 800lbs of wife, kids, dogs, toys, snacks, bikes, etc., and the 1200lbs of trailer tongue, it's not going to be any fun.
It will be FAR from a death trap. Just irritating to drive, perhaps unpleasant. You won't notice at first due to lack of experience but over time you will.