User:Skip125/Mercury (II Hydroxide)

Mercury (II) hydroxide or mercury dihydroxide is an inorganic metal hydroxide with the chemical formula HgH2O2 or more commonly written as Hg(OH)2.

Synthesis
"Mercury (II) hydroxide can be prepared via irradiating a mixture of Hg, H 2, and O 2 in solid neon and argon with a mercury arc lamp."