The compound MGH2 is not a known or recognized chemical compound. It is likely a placeholder or hypothetical formula.

Here's why:

* M is not a recognized element symbol in the periodic table.

* GH is not a recognized diatomic or polyatomic group.

To determine the correct name, we need to know the identity of the element represented by "M."

For example, if "M" represents Magnesium (Mg), then the compound would be Magnesium Hydride (MgH2).

Please provide more information about the compound, specifically the identity of the element represented by "M," so I can help you determine the correct name.