Arsenal are certainly more favored because they are playing at home but sometimes Newcastle can surprise us with unexpected results , my prediction is that both teams will score each other.
Newcastle is one of the team that Arsenal is really scared of, they know that Newcastle can't be predicted, the two clubs are in form this season, seriously it will be a very tough match because the two clubs won't want to lose the match, if Newcastle lose the match they will be dropping from third position if Manchester united win their match against Bournemouth, so they will want to do everything possible to win the match just to maintain their third position or move up to second position if Manchester city lose their next match. If am going to predict the match, I think the match might endup up as draw and the two clubs are going to score in the match, just my prediction 