I would sure think it would work.....as I mentioned, the pump I use is able to accomplish the lift through a 1.5" pipe, and I would think that the weight of water though a 2" pipe, though much more than in a 1.5" pipe, would be more than offset by the reduced resistance through the thicker tube. If I recall correctly, the pump came with a vertical rating, but I can't remember what it was.
I'd try to use the tools [tubes] at hand as much as possible before I bought anything-that's how I started with the 1.5" in the first place.
