lol Well, if you make it a try and fail test, the cpu can be fried but that is very unlikely. It probably can handle 1.8V vdimm for the RAM, but I am not certain and thus, am giving absolutely no guarantees. The responsibility is 100% yours to choose to do as you wish.
But yep, for that RAM, 1.8V is great....just not sure if the CPU can work well with that or not. Like I said, the max for Core i7 is 1.65V. Anything higher can fry them or significantly shorten its lifespan.