Do I have to pay US taxes a house sell in Mexico? I inherited the house and have not lived there in the past 5 years. I also have no income.

Hello

I inherited a house in Mexico when my grandfather passed away, now I'm selling the house and want to know if I has to pay taxes in the US. I have not lived in the house in the past 5 years and I have no income. How much would I have to pay if I'm selling the house for $116,000? What tax forms do I need to fill out? 

Thanks for your help