There's no way Nottingham Forest is seeing draw in that game I doubt, it's a straight winning for Arsenal yes Nottingham Forest was in mad form last season but their performance this season is really poor, and without a coach will still make it more difficult to them, and Arsenal on the other hand has just lost three points to Liverpool last week and wouldn't let such mistake to repeat itself not now, so they are sure gonna come out to play in order to gat the three points if they're to stand as a title contenders.
Arsenal is very sound in their form now and I doubt they are going to allow Nottingham forest deny them of three points in this fixture because for them it counts as they are looking forward to ending the season winning the league title this season. I also believe that there is a chance of draw in this game, such that Arsenal would not want to concede too many goals but Nottingham forest will be mostly doing more of the defence and Arsenal the attack.
Arsenals form is better than forests but that doesn't mean that their form is sound, compared to the previous season I think that they are a little slow now. This game is a tough one and your verdict isn't far from what I had in mind. Nottingham wouldn't want to give up easily so it would be a defensive game on their part which can lead to a draw but the chances of arsenal winning this game is quite high to me