Against ezreal, Ensure that you’re always stood behind a minion at all times to make it harder for him to land his Q and poke you down. 
 
The best time to go for trades and land skill shots on Ezreal is when his E is on cooldown. If he ever uses it aggressively, try to abuse the cooldown and look for an aggressive play while he’s defenceless. 
 
If Ezreal uses his Ultimate R to snipe someone on the map, ping your team as it moves across Summoners Rift. This will allow them to dodge the incoming ability. While this ability is on cooldown, you could look to play aggressive and try to fight him. Against ezreal, Make sure you're still standing behind a minion at any time to make it harder for him to land his Q and push you down. The best time to go for trades and kicks on Ezreal is when his E is on the cooldown. If he's using it aggressively, try to abuse cooldown and look for an aggressive game while he's defenseless. If Ezreal uses his Ultimate R to sniper someone on the map, ping your team while he's moving through Summoners Rift. This will help them avoid incoming ability. Although this ability is on the cooldown, you could look to play aggressive and try to fight it.