Can the weight of water be used to pull a vacuum?

If I place a small mold inside a vacuum bag at waist height and connect it to an elevated water reservoir which is in turn connected to a tube, will releasing water into the tube evacuate the bag? Any physics to support your answer(s)?

Pete Pollard
Blade 702

'When you have a lot of things to do, it's best to get your nap out of the way first.