How to make parents stop fighting?

hi i am 12. wen i've been growing up my parents always argued.it wasnt as big as it was now.My dad lives in chicago cuz he works and my mom lives here wit me and my siblings.they are now getting a divorce and anytime my mom needs 2 tell my dad something she calls me to call him cuz shes avoding him.i dont want dem 2 get a divorce how can i stop dem from getting it