Break 'eva' down into sounds: [EE] + [VUH] - say it out loud and exaggerate the sounds until you can consistently produce them. Record yourself saying 'eva' in full sentences, then watch yourself and listen. You'll be able to mark your mistakes quite easily. Look up tutorials on Youtube on how to pronounce 'eva'.

Is it pronounced Eva or Ava?

Ava is a perfectly normal, known way of pronouncing Eva. One of the two equally correct ways in fact. Germans would say "ay-va" (ay as in hay, day, sleigh) spelt Eva.

How do you spell the name Eva?

Eva is a female given name, the Latinate counterpart of English Eve, derived from a Hebrew name meaning "life" or "living one". It can also mean full of life or mother of life. It is the standard biblical form of Eve in many European languages.