Interaction of powders of aluminum, magnesium and their alloys with water, NaOH solution (рН= 11) and HCl (рН = 3) is investigated. By the method of X-ray Photoelectron Spectroscopy at «Nano-Fab 25» setting studies phase structure formed оксидной a film on a surface of particles of powders. Dependence of allocation of hydrogen on structure of an alloy and рН solution is defined. For generators of hydrogen and heatforming devices optimum use of powder of aluminum and NaOH solution.