This is an acid-base reaction (neutralization): H2SO4 is an acid, MgO is a base.
Reactants:
[external_link offset=2]
H2SO4 – Sulfuric acid
Other names: Oil of vitriol, Sulfuric acid, concentrated (> 51% and , H2SO4
Appearance: Clear, colorless liquid ; Odourless colourless oily hygroscopic liquid ; Colorless to dark-brown, oily, odorless liquid. [Note: Pure compound is a solid below 51°F. Often used in an aqueous solution.]
MgO – Magnesium oxide
Other names: Magnesia, Periclase, Magnesium oxide fume
Appearance: White powder ; Hygroscopic fine white powder ; Finely divided white particulate dispersed in air. [Note: Exposure may occur when magnesium is burned, thermally cut, or welded upon.]
Products:
H2O – Water, oxidane
Other names: Water (H2O), Hydrogen hydroxide (HH or HOH), Hydrogen oxide
Appearance: White crystalline solid, almost colorless liquid with a hint of blue, colorless gas
MgSO4 – Magnesium sulfate
Other names: Epsom salt (heptahydrate), English salt, Bitter salts
Appearance: White crystalline solid ; Hygroscopic odourless white crystals or powder
